30133469 has 4 divisors (see below), whose sum is σ = 31906044. Its totient is φ = 28360896.

The previous prime is 30133463. The next prime is 30133471. The reversal of 30133469 is 96433103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17530969 + 12602500 = 4187^2 + 3550^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30133469 is a prime.

It is a super-2 number, since 2×30133469² = 1816051907947922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886262 + ... + 886295.

It is an arithmetic number, because the mean of its divisors is an integer number (7976511).

Almost surely, 2^30133469 is an apocalyptic number.

It is an amenable number.

30133469 is a deficient number, since it is larger than the sum of its proper divisors (1772575).

30133469 is a wasteful number, since it uses less digits than its factorization.

30133469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772574.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 30133469 is about 5489.3960505688. The cubic root of 30133469 is about 311.1833680476.

The spelling of 30133469 in words is "thirty million, one hundred thirty-three thousand, four hundred sixty-nine".